water diversion from the upper Yangtze River in the south to the upper Yellow River in the north
log mean temperature difference; logarithmic mean temperature difference
logarithmic mean area log mean area
logarithmic mean mole fraction; log mean mole fraction
logarithmic mean temperature difference; log mean temperature difference
1221 upper working face
2×2 Upper Triangular Operator Matrixes
95% Upper confidence limit
Aberdeen Upper Reservoir
Accommodation above the Upper Deck
accurate upper bound solution
Acquired absence of both upper limbs [any level]
Acquired absence of upper limb above wrist
Acute bacterial upper respiratory tract infection
Acute lymphadenitis of upper limb
Acute massive hemorrhage of upper gastrointestinal tract
Acute nonvariceal upper gastrointestinal bleeding